Fan-Tastic Vent 801200 RV Roof Vent ABS LID Vent Create-A-Breeze 3-Speed Manual Crank ABS Smoke Dome MODEL 1200 - This lightweight, compact, and durable vent fan seals tight when not in use. Powerful 12 in, 10-blade fan quickly moves air in and out of cabin. THREE-SPEED FAN - The core of this truly fantastic ventilation solution is a high performance rotary fan that features three blade speeds; low, medium, and high. NO NOISE - Warm and stale air out, fresh and clean air in. Dometic FanTastic Vent does it in a matter of minutes. Its pleasantly quiet and energy saving, too. EASY TO USE - The manual lift dome ensures the FanTastic Vent is easy to use. PERFECT FIT - Fits standard 14 inch x 14 inch openings. White, high profile base and smoke dome.